3161135550 has 48 divisors (see below), whose sum is σ = 8300776752. Its totient is φ = 793382400.

The previous prime is 3161135539. The next prime is 3161135557. The reversal of 3161135550 is 555311613.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161135557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617281 + ... + 622380.

It is an arithmetic number, because the mean of its divisors is an integer number (172932849).

Almost surely, 2^3161135550 is an apocalyptic number.

3161135550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3161135550 is an abundant number, since it is smaller than the sum of its proper divisors (5139641202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161135550 is a wasteful number, since it uses less digits than its factorization.

3161135550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239693 (or 1239688 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 3161135550 is about 56223.9766469786. The cubic root of 3161135550 is about 1467.6225394841.

It can be divided in two parts, 31611 and 35550, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 3161135550 in words is "three billion, one hundred sixty-one million, one hundred thirty-five thousand, five hundred fifty".